TM 9-2330-390-14&P
Table 4-2. Unit Troubleshooting (Con't).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ENGINE
18. ENGINE WILL NOT TURN OVER WHEN STARTER SWITCH IS SET TO “ST”.
l Remove all jewelry such as I.D. tags, rings, bracelets, etc. If jewelry contacts battery
terminal, a direct short will result causing instant heating of jewelry which will result
in serious injury or death to personnel.
l Battery acid (electrolyte) is extremely dangerous. Always wear protective goggles
and rubber gloves when performing battery checks or inspections. Serious injury
to personnel will result if battery acid contacts skin or eyes.
l DO NOT perform battery system checks or inspections while smoking or near fire,
flames, or sparks. Battery gases may explode, causing serous injury or death to
personnel.
NOTE
Refer to engine wiring diagram for assistance (see paragraph 4-135).
Step 1.
Inspect for corroded or loose terminal connections at battery, starter, and starter switch, and
ground connection at crankcase.
Remove, clean, and tighten all corroded or loose connections (see paragraphs 4-45, 4-130,
and 4-131).
Step 2.
Check for damaged battery.
Replace damaged battery (see paragraph 4-43).
Step 3.
Check for discharged battery (see TM 9-6140-200-14).
Charge discharged battery (see TM 9-6140-200-14).
Before performing a continuity test, always disconnect battery negative (-) ground
cable and circuit to be tested. Failure to follow this caution may damage muitimeter.
Step 4.
Test operation of starter switch by disconnecting starter switch connector from engine wiring
harness connector (see paragraph 4-131). Perform continuity test at each position of starter
switch.
Replace damaged starter switch (see paragraph 4-131).
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